240133505 has 8 divisors (see below), whose sum is σ = 290429952. Its totient is φ = 190593648.

The previous prime is 240133477. The next prime is 240133519. The reversal of 240133505 is 505331042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240133505 - 2¹⁴ = 240117121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188447 + ... + 189716.

It is an arithmetic number, because the mean of its divisors is an integer number (36303744).

Almost surely, 2^240133505 is an apocalyptic number.

It is an amenable number.

240133505 is a deficient number, since it is larger than the sum of its proper divisors (50296447).

240133505 is a wasteful number, since it uses less digits than its factorization.

240133505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378295.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 240133505 is about 15496.2416411206. The cubic root of 240133505 is about 621.5617106852.

Adding to 240133505 its reverse (505331042), we get a palindrome (745464547).

The spelling of 240133505 in words is "two hundred forty million, one hundred thirty-three thousand, five hundred five".